banger/ps.sh

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#!/usr/bin/env bash
set -euo pipefail
shopt -s nullglob
for vm_json in state/vms/*/vm.json; do
id="$(jq -r '.meta.id // empty' "$vm_json")"
name="$(jq -r '.meta.name // empty' "$vm_json")"
created_at="$(jq -r '.meta.created_at // empty' "$vm_json")"
guest_ip="$(jq -r '.meta.guest_ip // empty' "$vm_json")"
pid="$(jq -r '.meta.pid // empty' "$vm_json")"
tap="$(jq -r '.meta.tap // empty' "$vm_json")"
api_sock="$(jq -r '.meta.api_sock // empty' "$vm_json")"
if [[ -z "$pid" || -z "$api_sock" ]]; then
continue
fi
if ps -p "$pid" -o comm=,args= 2>/dev/null | rg -q "firecracker.*--api-sock $api_sock"; then
printf 'id=%s name=%s created_at=%s guest_ip=%s pid=%s tap=%s\n' \
"$id" "$name" "$created_at" "$guest_ip" "$pid" "$tap"
fi
done